== sanity test 413k: QoS mkdir exclude prefixes ========== 10:13:38 (1787321618)
lmv.lustre-clilmv-ffff8b7e88cdd000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8b7e88cdd000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8b7e88cdd000.qos_exclude_prefixes=_temporary